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ally

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verb [intransitive/transitive] British English pronunciation: ally /əˈlaɪ/ British English pronunciation: ally /ˈælaɪ/ 
Word Forms
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present tense
I/you/we/theyally
he/she/itallies
present participleallying
past tenseallied
past participleallied

Related dictionary definitions

  1. 2
    if you ally yourself with someone, you work together to help each other

    We should ally ourselves with companies that complement our strengths.

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